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www.mikescher.com/www/protected/components/extendedgitgraph/ExtendedGitGraph.php

494 lines
12 KiB
PHP

<?php
class ExtendedGitGraph {
const FILE_RAW_DATA = 'protected/data/ext_git_graph_apidata.dat';
const FILE_FINISHED_DATA = 'protected/data/gitgraph.dat';
const API_AUTHORIZE = 'https://github.com/login/oauth/authorize?client_id=%s';
const API_TOKEN = 'https://github.com/login/oauth/access_token?client_id=%s&client_secret=%s&code=%s';
const API_RATELIMIT = 'https://api.github.com/rate_limit';
const API_REPOSITORIESLIST = 'https://api.github.com/users/%s/repos?page=%d&per_page=100';
private $username;
private $token;
private $tokenHeader;
private $repositories;
private $commits;
private $commitmap = array();
private $startdate = null;
private $enddate = null;
public function __construct($usr_name) {
$this->username = $usr_name;
set_time_limit(300); // 5min
}
public function authenticate($auth_key, $client_id, $client_secret) {
$url = sprintf(self::API_TOKEN, $client_id, $client_secret, $auth_key);
$result = file_get_contents($url);
$result = str_replace('access_token=', '', $result);
$result = str_replace('&scope=&token_type=bearer', '', $result);
setToken($result);
}
public function setToken($token) {
$this->token = $token;
$this->tokenHeader = 'access_token=' . $token . '&token_type=bearer';
}
public function collect() {
ob_implicit_flush(true);
ob_end_flush();
//--------------------------------
$this->listRepositories();
$this->listAllCommits();
$this->save();
//--------------------------------
$this->output_flushed($this->getRemainingRequests() . ' Requests remaining');
}
private function listRepositories() {
$page = 1;
$url = sprintf(self::API_REPOSITORIESLIST . '&' . $this->tokenHeader, $this->username, $page);
$result = $this->getJSON($url);
$repo_list = array();
while (! empty($result)) {
foreach ($result as $result_repo) {
$repo_list[] = $this->parseRepoJSON($result_repo);
$this->output_flushed("Found Repo: " . $result_repo->{'full_name'});
}
//##########
$url = sprintf(self::API_REPOSITORIESLIST . '&' . $this->tokenHeader, $this->username, ++$page);
$result = $this->getJSON($url);
}
$this->repositories = $repo_list;
}
private function getJSON($url) {
$options = array('http' => array('user_agent'=> $_SERVER['HTTP_USER_AGENT']));
// $options = array('http' => array('user_agent'=> 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1944.0 Safari/537.36'));
$context = stream_context_create($options);
$response = file_get_contents($url, false, $context);
return json_decode($response);
}
private function getRemainingRequests() {
$json = $this->getJSON(self::API_RATELIMIT . '?' . $this->tokenHeader);
return $json->{'resources'}->{'core'}->{'remaining'};
}
private function listAllCommits() {
$this->commits = array();
foreach($this->repositories as $repo) {
$this->listCommits($repo);
}
}
private function listCommits($repo) {
$page = 1;
$url = $repo['commits_url'] . '?per_page=100&page=' . $page . '&author=' .$this->username . '&' .$this->tokenHeader;
$result = $this->getJSON($url);
$commit_list = array();
while (! empty($result)) {
foreach ($result as $result_commit) {
$commit_list[] = $this->parseCommitJSON($repo, $result_commit);
}
$this->output_flushed("Found 100 Commits from " . $repo['full_name']);
//##########
$url = $repo['commits_url'] . '?per_page=100&page=' . ++$page . '&author=' .$this->username . '&' .$this->tokenHeader;
$result = $this->getJSON($url);
}
$this->commits = array_merge($this->commits, $commit_list);
}
private function parseRepoJSON($json) {
return
[
'id' => $json->{'id'},
'name' => $json->{'name'},
'full_name' => $json->{'full_name'},
'owner' => $json->{'owner'}->{'login'},
'owner_id' => $json->{'owner'}->{'id'},
'owner_avatar-url' => $json->{'owner'}->{'avatar_url'},
'owner_gravatar-id' => $json->{'owner'}->{'gravatar_id'},
'url' => $json->{'html_url'},
'language' => $json->{'language'},
'url' => $json->{'html_url'},
'creation' => DateTime::createFromFormat(DateTime::ISO8601, $json->{'created_at'}),
'size' => $json->{'size'},
'default_branch' => $json->{'default_branch'},
'commits_url' => str_replace('{/sha}', '', $json->{'commits_url'}),
];
}
private function parseCommitJSON($repo, $json) {
return
[
'sha' => $json->{'sha'},
'author_name' => $json->{'commit'}->{'author'}->{'name'},
'author_mail' => $json->{'commit'}->{'author'}->{'email'},
'author_login' => $json->{'author'}->{'login'},
'author_id' => $json->{'author'}->{'id'},
'sha' => $json->{'sha'},
'message' => $json->{'commit'}->{'message'},
'repository' => $repo,
'date' => DateTime::createFromFormat(DateTime::ISO8601, $json->{'commit'}->{'author'}->{'date'}),
];
}
private function save() {
$this->output_flushed("Start saving data");
$save = serialize(
[
'repositories' => $this->repositories,
'commits' => $this->commits,
]);
file_put_contents(self::FILE_RAW_DATA, $save);
$this->output_flushed('Finished saving data');
}
public function output_flushed($txt)
{
echo '[' . date('H:i.s') . '] ' . $txt . "<br>";
}
public function loadData() {
$data = unserialize(file_get_contents(self::FILE_RAW_DATA));
$this->repositories = $data['repositories'];
$this->commits = $data['commits'];
}
public function generate($year) {
$ymap = $this->generateYearMap($year); // unused on purpose (template.php needs it)
$ymapmax = $this->getMaxCommitCount(); // unused on purpose (template.php needs it)
ob_start();
include('template.php');
$returned = ob_get_contents();
ob_end_clean();
return $returned;
}
public function generateAndSave() {
$result = '';
foreach($this->getYears() as $year) {
$result.= $this->generate($year);
$result.= '<br />';
}
$this->generateCommitMap();
file_put_contents(self::FILE_FINISHED_DATA,
serialize(
[
'creation' => new DateTime(),
'total' => count($this->commits),
'repos' => count($this->repositories),
'streak' => $this->getLongestStreak(),
'streak_start' => $this->getLongestStreakStart(),
'streak_end' => $this->getLongestStreakEnd(),
'max_commits' => $this->getMaxCommits(),
'max_commits_date' => $this->getMaxCommitsDate(),
'avg_commits' => $this->getAvgCommits(),
'start' => $this->startdate,
'end' => $this->enddate,
'content' => $result,
]));
return $result;
}
private function generateCommitMap() {
$this->commitmap = array();
$this->startdate = $this->getStartDate();
$this->enddate = $this->getEndDate();
$date = clone $this->startdate;
while($date < $this->enddate) {
$this->commitmap[$date->format('Y-m-d')] = 0;
$date = $date->modify("+1 day");
}
foreach ($this->commits as $commit) {
if(array_key_exists($commit['date']->format('Y-m-d'), $this->commitmap))
$this->commitmap[$commit['date']->format('Y-m-d')]++;
}
}
private function getStartDate() {
$date = $this->commits[0]['date'];
foreach($this->commits as $commit) {
if ($commit['date'] < $date) {
$date = clone $commit['date'];
}
}
return new DateTime($date->format('Y-m-d'));
}
private function getEndDate() {
$date = $this->commits[0]['date'];
foreach($this->commits as $commit) {
if ($commit['date'] > $date) {
$date = clone $commit['date'];
}
}
return new DateTime($date->format('Y-m-d'));
}
private function getCommitsForDate($d) {
$v = $d->format('Y-m-d');
if (array_key_exists($v, $this->commitmap))
return $this->commitmap[$d->format('Y-m-d')];
else
return 0;
}
private function getLongestStreak() {
/* @var $curr DateTime */
/* @var $end DateTime */
$curr = clone $this->startdate;
$end = clone $this->enddate;
$streak_curr = 0;
$streak_max = 0;
while ($curr <= $end) {
if ($this->getCommitsForDate($curr) > 0) {
$streak_curr++;
} else {
$streak_max = max($streak_max, $streak_curr);
$streak_curr = 0;
}
$curr = $curr->modify('+1 day');
}
$streak_max = max($streak_max, $streak_curr);
return $streak_max;
}
private function getLongestStreakStart() {
/* @var $curr DateTime */
/* @var $end DateTime */
$curr = clone $this->startdate;
$end = clone $this->enddate;
$streak_curr_start = clone $curr;
$streak_max_start = null;
$streak_curr = 0;
$streak_max = 0;
while ($curr <= $end) {
if ($this->getCommitsForDate($curr) > 0) {
$streak_curr++;
} else {
if ($streak_curr > $streak_max) {
$streak_max = $streak_curr;
$streak_max_start = clone $streak_curr_start;
}
$streak_curr = 0;
$streak_curr_start = clone $curr;
}
$curr = $curr->modify('+1 day');
}
if ($streak_curr > $streak_max) {
$streak_max_start = clone $streak_curr_start;
}
return $streak_max_start;
}
private function getLongestStreakEnd() {
/* @var $curr DateTime */
/* @var $end DateTime */
$curr = clone $this->startdate;
$end = clone $this->enddate;
$streak_max_end = null;
$streak_curr = 0;
$streak_max = 0;
while ($curr <= $end) {
if ($this->getCommitsForDate($curr) > 0) {
$streak_curr++;
} else {
if ($streak_curr > $streak_max) {
$streak_max = $streak_curr;
$streak_max_end = clone $curr;
}
$streak_curr = 0;
}
$curr = $curr->modify('+1 day');
}
if ($streak_curr > $streak_max) {
$streak_max_end = clone $curr;
}
return $streak_max_end;
}
private function getMaxCommits() {
/* @var $curr DateTime */
/* @var $end DateTime */
$curr = clone $this->startdate;
$end = clone $this->enddate;
$max = 0;
while ($curr <= $end) {
$max = max($max, $this->getCommitsForDate($curr));
$curr = $curr->modify('+1 day');
}
return $max;
}
private function getMaxCommitsDate() {
/* @var $curr DateTime */
/* @var $end DateTime */
$curr = clone $this->startdate;
$end = clone $this->enddate;
$max = 0;
$max_date = null;
while ($curr <= $end) {
$c = $this->getCommitsForDate($curr);
if ($c >= $max) {
$max = $c;
$max_date = clone $curr;
}
$max = max($max, $this->getCommitsForDate($curr));
$curr = $curr->modify('+1 day');
}
return $max_date;
}
private function getAvgCommits() {
/* @var $curr DateTime */
/* @var $end DateTime */
$curr = clone $this->startdate;
$end = clone $this->enddate;
$max = array();
while ($curr <= $end) {
$max[] = $this->getCommitsForDate($curr);
$curr = $curr->modify('+1 day');
}
$sum = array_sum($max);
$count = count($max);
return $sum / $count;
}
public function loadFinishedContent() {
$data = unserialize(file_get_contents(self::FILE_FINISHED_DATA));
return $data['content'];
}
public function loadFinishedData() {
$data = unserialize(file_get_contents(self::FILE_FINISHED_DATA));
return $data;
}
private function getMaxCommitCount() {
$max = 0;
foreach($this->getYears() as $year) {
$max = max($max, max($this->generateYearMap($year)));
}
return $max;
}
private function generateYearMap($year) {
$ymap = array();
$date = new DateTime($year . '-01-01');
while($date->format('Y') == $year) {
$ymap[$date->format('Y-m-d')] = 0;
$date = $date->modify("+1 day");
}
foreach ($this->commits as $commit) {
if(array_key_exists($commit['date']->format('Y-m-d'), $ymap))
$ymap[$commit['date']->format('Y-m-d')]++;
}
return $ymap;
}
public function getYears() {
$years = array();
foreach ($this->commits as $commit) {
if(! in_array($commit['date']->format('Y'), $years))
$years[] = $commit['date']->format('Y');
}
asort($years);
return $years;
}
}